基于原子磁力计的穿戴式脑磁图动态测量研究

陈春巧,张欣,郭清乾,徐佳玉,冯晓宇,常严,胡涛,杨晓冬

Moving Wearable Magnetoencephalography Measurement Study Based on Optically-pumped Magnetometer

Chun-qiao CHEN,Xin ZHANG,Qing-qian GUO,Jia-yu XU,Xiao-yu FENG,Yan CHANG,Tao HU,Xiao-dong YANG

图2 (a) OPM参考传感器位置摆放示意图；(b)被试自然头动状态下，探测传感器所测磁场变化（细虚线：未施加匀场补偿；粗实线：施加匀场补偿）

Fig.2 (a) Configuration of the OPM reference sensors; (b) Variation of the measured magnetic field under the subject's natural head movement (thin dashed line: before field nulling; thick solid line: after field nulling)